(5H-[1]Benzopyrano[4,3-b]pyridin-3-yl)(2-hydroxyphenyl)methanone

Base Information

• Chemical Name: (5H-[1]Benzopyrano[4,3-b]pyridin-3-yl)(2-hydroxyphenyl)methanone
• CAS No.: 178808-84-9
• Molecular Formula: C19H13NO3
• Molecular Weight: 303.317
• ChEMBL ID: CHEMBL1484555
• DSSTox Substance ID: DTXSID20569902
• Wikidata: Q82457162
• Mol file: 178808-84-9.mol

Synonyms:178808-84-9;Methanone, 5H-[1]benzopyrano[4,3-b]pyridin-3-yl(2-hydroxyphenyl)-;(5H-[1]Benzopyrano[4,3-b]pyridin-3-yl)(2-hydroxyphenyl)methanone;HMS1810M08;CHEMBL1484555;DTXSID20569902;5H-chromeno[4,3-b]pyridin-3-yl-(2-hydroxyphenyl)methanone;5H-[1]Benzopyrano[4,3-b]pyridin-3-yl(2-hydroxyphenyl)methanone;CCG-58127;MFCD08280519;AKOS001779885;NCGC00164916-01;5H-chromeno[4,3-b]pyridin-3-yl(2-hydroxyphenyl)methanone

Chemical Property of (5H-[1]Benzopyrano[4,3-b]pyridin-3-yl)(2-hydroxyphenyl)methanone

Chemical Property:

• XLogP3: 3.6
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 303.08954328
• Heavy Atom Count: 23
• Complexity: 440

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C2=C(C3=CC=CC=C3O1)N=CC(=C2)C(=O)C4=CC=CC=C4O

Technology Process of (5H-[1]Benzopyrano[4,3-b]pyridin-3-yl)(2-hydroxyphenyl)methanone

There total 2 articles about (5H-[1]Benzopyrano[4,3-b]pyridin-3-yl)(2-hydroxyphenyl)methanone which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

2,3-dihydro-4H-1-benzopyran-4-one (491-37-2) → 3-(2'-hydroxybenzoyl)-5H(1)-benzopyrano[4,3-b]pyridine (178808-84-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / Et₃N / ethanol / 3 h / Heating

2: 63 percent / aq. NH₄OH / methanol / 2 h / Heating

With ammonium hydroxide; triethylamine; In methanol; ethanol;

DOI:10.1080/00304949609356538

Reference yield:

3-Formylchromone (17422-74-1) → 3-(2'-hydroxybenzoyl)-5H(1)-benzopyrano[4,3-b]pyridine (178808-84-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / Et₃N / ethanol / 3 h / Heating

2: 63 percent / aq. NH₄OH / methanol / 2 h / Heating

With ammonium hydroxide; triethylamine; In methanol; ethanol;

DOI:10.1080/00304949609356538

Reference yield: 86.0%

3-(2'-hydroxybenzoyl)-5H(1)-benzopyrano[4,3-b]pyridine (178808-84-9) → (2-hydroxy-phenyl)-(10H-9-oxa-4-aza-phenanthren-2-yl)-methanone oxime

Guidance literature:

With hydroxylamine hydrochloride; In ethanol; for 6h; Heating;

DOI:10.1515/HC.2003.9.4.391

upstream raw materials:

2,3-dihydro-4H-1-benzopyran-4-one

3-Formylchromone